Environment: milieu / climate zone / depth range / distribution range
Ecologie
; zoet water benthopelagisch. Tropical; 11°S - 18°S
Africa: Okavango and upper Zambezi systems (Ref. 7248). Also reported from the southern Congo River basin in Angola (Ref. 120641) but without further details. Very similar to the largescale yellowfish and may represent the same species (Ref. 7248).
Grootte / Gewicht / Leeftijd
Maturity: Lm ?  range ? - ? cm
Max length : 39.0 cm TL mannelijk / geslacht onbekend; (Ref. 7248); max. gepubliceerd gewicht: 3.2 kg (Ref. 2801)
Dorsale stekels (totaal) : 4; Dorsale zachte stralen (totaal) : 9 - 10.
Prefers fast water with rocky bottom and seldom occurs over sand or in aquatic vegetation (Ref. 13337). Feeds on aquatic insect larvae, crustaceans, mollusks and small fish (Ref. 13337).
Levenscyclus en paargedrag
Maturities | Voortplanting | Spawnings | Egg(s) | Fecundities | Larven
Skelton, P.H., 1993. A complete guide to the freshwater fishes of southern Africa. Southern Book Publishers. 388 p. (Ref. 7248)
Status op de Rode Lijst van het IUCN (Ref. 130435)
Gevaar voor de mens
Harmless
Gebruik door de mens
Sportvis: ja
Tools
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Estimates based on models
Fylogenetische diversiteitsindex (Ref.
82804): PD
50 = 0.5000 [Uniqueness, from 0.5 = low to 2.0 = high].
Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref.
93245).
Trofisch niveau (Ref.
69278): 3.7 ±0.55 se; based on food items.
Weerstandsvermogen (Ref.
120179): Gemiddeld, minimale populatieverdubbelingstijd 1,4-4,4 jaar (Preliminary K or Fecundity.).
Fishing Vulnerability (Ref.
59153): Low to moderate vulnerability (29 of 100).